IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Physiological responses of Abies faxoniana populations from different elevations to increased CO2 and N application
Li, Yongping1,2; Dong, Tingfa3,4; Duan, Baoli1; Zhang, Yuanbin1
Corresponding AuthorYuanbin Zhang
2015
Source PublicationACTA PHYSIOLOGIAE PLANTARUM
ISSN0137-5881
EISSN1861-1664
Volume37Issue:1Pages:1724-1735
SubtypeArticle
Abstract

The altitude-related responses to the increased application of CO2, N, and their combination were investigated in two Abies faxoniana populations, which originated from a subalpine coniferous forest at elevations of 2,580 and 3,200 m using closed-top chambers. The two contrasting populations were subjected to two CO2 regimes (350 and 700 mu mol mol(-1)) and two N levels (0 and 5 g N m(-2) year(-1)). Their net photosynthetic rate, nonstructural carbohydrate concentration, and photosynthetic N use efficiency (PNUE) increased under elevated CO2. However, the increases detected in the high-elevation (HE) population were significantly greater than those found in the low-elevation (LE) population. Under elevated CO2 and N application, the maximal carboxylation rate (V-cmax) increased in HE population, whereas no effects were found on V-cmax in LE population. The C to N ratio decreased under N application in both populations. N application also induced the HE population to show greater increases in free amino acids, soluble proteins, N concentration, and PNUE than LE population. These results suggested that the population from HE was more sensitive to elevated CO2 and (or) N application than LE population. Results of this study provided valuable knowledge for predicting forest development under increased atmospheric CO2 concentration and (or) N deposition.

KeywordElevated Co2 n Application Photosynthetic Capacity Photosynthetic n Use Efficiency (Pnue) Elevation-related Responses
DOI10.1007/s11738-014-1724-4
Indexed BySCI
Language英语
Quartile4区
TOP
WOS IDWOS:000345397400020
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18219
Collection山地表生过程与生态调控重点实验室
Affiliation1.Yunnan Univ, Sch Agr, Kunming 650091, Peoples R China
2.Yunnan Univ, Sch Agr, Kunming 650091, Peoples R China
3.Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Li, Yongping,Dong, Tingfa,Duan, Baoli,et al. Physiological responses of Abies faxoniana populations from different elevations to increased CO2 and N application[J]. ACTA PHYSIOLOGIAE PLANTARUM,2015,37(1):1724-1735.
APA Li, Yongping,Dong, Tingfa,Duan, Baoli,&Zhang, Yuanbin.(2015).Physiological responses of Abies faxoniana populations from different elevations to increased CO2 and N application.ACTA PHYSIOLOGIAE PLANTARUM,37(1),1724-1735.
MLA Li, Yongping,et al."Physiological responses of Abies faxoniana populations from different elevations to increased CO2 and N application".ACTA PHYSIOLOGIAE PLANTARUM 37.1(2015):1724-1735.
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